A powerhouse line-up of diplomacy, big business and Hollywood made Obama's guest list for the extravagant feast at the White House to honor the visit of president Xi.

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The black-tie affair was not only attended by top-level politicians from both countries - with the likes of Facebook and Apple bosses Mark Zuckerberg and his pregnant wife, Priscilla Chan, and Tim Cook joining the two presidents at the top table for the glitzy event.